[FFmpeg-devel] [PATCH] Changed max bitrate for VBV mode (according to Ivan Uskow)
Sven Dueking
svennablet at gmail.com
Thu Aug 13 11:47:18 CEST 2015
From: Sven Dueking <sven at nablet.com>
---
libavcodec/qsvenc.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 57f5fe4..b56e4b4 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -118,10 +118,14 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
switch (q->param.mfx.RateControlMethod) {
case MFX_RATECONTROL_CBR:
+ q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
+ q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
+ q->param.mfx.MaxKbps = avctx->bit_rate / 1000;
+ break;
case MFX_RATECONTROL_VBR:
q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000;
q->param.mfx.TargetKbps = avctx->bit_rate / 1000;
- q->param.mfx.MaxKbps = avctx->bit_rate / 1000;
+ q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000;
break;
case MFX_RATECONTROL_CQP:
quant = avctx->global_quality / FF_QP2LAMBDA;
--
1.8.3.1
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